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# Copyright 2017 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Batch multiple images into one request."""
class Batch(object):
"""Batch of images to process.
:type client: :class:`~google.cloud.vision.client.Client`
:param client: Vision client.
"""
def __init__(self, client):
self._client = client
self._images = []
def add_image(self, image, features):
"""Add image to batch request.
:type image: :class:`~google.cloud.vision.image.Image`
:param image: Istance of ``Image``.
:type features: list
:param features: List of :class:`~google.cloud.vision.feature.Feature`.
"""
self._images.append((image, features))
@property
def images(self):
"""List of images to process.
:rtype: list
:returns: List of :class:`~google.cloud.vision.image.Image`.
"""
return self._images
def detect(self):
"""Perform batch detection of images.
:rtype: list
:returns: List of
:class:`~google.cloud.vision.annotations.Annotations`.
"""
results = self._client._vision_api.annotate(self.images)
self._images = []
return results